abrasion/third_party/cargo/vendor/env_logger-0.6.2/examples/custom_default_format.rs

45 lines
886 B
Rust

/*!
Disabling parts of the default format.
Before running this example, try setting the `MY_LOG_LEVEL` environment variable to `info`:
```no_run,shell
$ export MY_LOG_LEVEL='info'
```
Also try setting the `MY_LOG_STYLE` environment variable to `never` to disable colors
or `auto` to enable them:
```no_run,shell
$ export MY_LOG_STYLE=never
```
If you want to control the logging output completely, see the `custom_logger` example.
*/
#[macro_use]
extern crate log;
extern crate env_logger;
use env_logger::{Env, Builder};
fn init_logger() {
let env = Env::default()
.filter("MY_LOG_LEVEL")
.write_style("MY_LOG_STYLE");
let mut builder = Builder::from_env(env);
builder
.default_format_level(false)
.default_format_timestamp_nanos(true);
builder.init();
}
fn main() {
init_logger();
info!("a log from `MyLogger`");
}